Run: 2026-05-01-01KQHS44W6DTTJKEX8Y2DZQYHW

Run Details

Model:
Grok 4.20 (Reasoning)
Test:
Data extraction
Scenario:
Indirect birth year
Duration:
3.1s
Cost:
$0.000948
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
Pass Matches text (details)
Pass Matches Regex (details)
no eval Overall

Model input

User/Human
What year was Sarah born? Only return the year as a four-digit number. In 2023, Sarah celebrated her 30th birthday with a big party. Her younger sister, who is 5 years younger, couldn't attend because she was studying abroad.

Model response

AI
1993
created_at"2026-05-01T12:44:54.54Z" 5/1/2026, 12:44:54 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3048
moderation_latency(null)
generation_time3050
tokens_prompt58
tokens_completion25
native_tokens_prompt176
native_tokens_completion318
native_tokens_completion_images(null)
native_tokens_reasoning316
native_tokens_cached64
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.0009478
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"99e22969-9891-9dbd-8742-6349bf1faa59"
is_byokfalse
latency138
model_permaslug"x-ai/grok-4.20-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777639494-yksgj45Qmcqpj3MCi8Sh"
session_id(null)
api_type"completions"
id"gen-1777639494-4Ewqj9zTF16K9E9ojak5"
upstream_id"99e22969-9891-9dbd-8742-6349bf1faa59"
total_cost0.0009478
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
Pass Matches text
Case sensitive: 1993
 n/a
Pass Matches Regex
/\b1993\b/
 n/a
no eval